<!DOCTYPE html>
<html lang="en">

<head>
    <title></title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>

<body>
    <div id="app">
        <counter></counter>
        <hr>
        <counter></counter>
        <hr>
        <counter></counter>
    </div>

    <template id="tmpl">
        <div>
            <input type="button" value="+1" @click="increment">
            <h3>{{count}}</h3>
        </div>
    </template>
    <script src="./lib/vue-2.4.0.js"></script>
    <script>
        // var dataObj = { count:0 }
        Vue.component('counter', {
            template: '#tmpl',
            data: function () {
                // console.log(dataObj)
                return {
                    count: 0
                }
            },
            methods: {
                increment() {
                    this.count++
                }
            },
        })


        var vm = new Vue({
            el: '#app',
            data: {

            }
        })
    </script>
</body>

</html>